Evaluate your website against Core Web Vitals on real browsers, calculate a compressed grade, and get customized edge AI instructions to optimize your code instantly.
Runner Executing...
> Initializing Sitespeed.io runner environment...
⚙️SpeedPrompt Real Browser Execution: We boot up fully-rendered real browser instances (Google Chrome/Firefox) on global servers to measure paint milestones. High-fidelity connection throttling is executed at the network packet level. Scan takes 30-45 seconds.
Chrome UX Report · 28-day p75 from real Chrome visitors
No Chrome UX Report field data is available for this site yet — an origin needs enough real-world Chrome traffic to be included in the dataset. The lab metrics above are still accurate.